[Ozarkguy]

Take a look at the diagram. Not sure what wires Newell provided but, I would suspect you have some spares nearby. The battery wire is probally 10 gauge as is the ground wire. The battery (or off the Buss Bar) should be circuit protected. Maybe someone can chime in that has a coach near your 91' year for wire spare specifics.. If you take a look at the schematic you'll note that the powerwire is not switched.. so you don't loose power to your brakes in the event of power loss..